Hour emergency call-outs with no nasty call-out charges! Blocked or broken derby drains. Do you want an easy, hassle free experience? then choose heat-plex to save more and worry less! Plumbing and heating emergencies don’t usually happen when it’s convenient for you in fact, they seem to happen at the worst times thankfully, you can always rely on. Is a combi boiler right for you? Shipton's heating.